Munya was admitted to practise in November 1997 and signed the Bar Roll in May 2008.

She has worked as a community lawyer in northern New South Wales and has taught as a legal academic at the University of Melbourne and at Southern Cross University in Lismore, NSW in Indigenous legal issues (from a national and international perspective) on a variety of topics ranging from Native Title, Administrative, Family and Criminal Law matters through to Human Rights and International treaties. She is an Indigenous barrister originally from the Kimberley region of Western Australia and is well versed in traditional laws, customs and practices. Munya has run various cross-cultural workshops for the judiciary on Indigenous legal issues, racism and gender bias in the law. Her oratorical skills are exceptional and she is much sought after as a public speaker here and abroad.

She is an excellent criminal law advocate, who is looking to expand her practice in the civil arena in the areas of medical negligence and personal injury. This includes applications for special medical procedures and/or treatment of minors in the Family Court. She also maintains a keen interest in international child abduction applications as governed by the Hague Convention.

Munya has appeared in the Childrens, Magistrates, and County Courts of Victoria and their equivalent in New South Wales, and also in the Family and Federal Magistrates Court on various matters, including mentions, pleas and committals. A passionate advocate for human rights she is also interested in matters of national security including counter terrorism.

At the Bar, Munya has read with Mary Ann Hartley, an experienced advocate in personal injury and medical negligence. Her senior mentor was Jim Kennan SC who maintains a general practice in the criminal and civil jurisdictions.